Beautiful Brass case with black face and white lettering, the HTAB-169 indicates the complete range of 0 to 100% relative humidity. The hygrometer is certified to be accurate within ± 3% + 1 scale division (20 to 80%). Each instrument has been tested for accuracy at 3 points on the scale for high, medium and low readings.
The bimetallic thermometer on the model HTAB-169 is accurate to ±1% of scale and has a range of -10° to 190°F.
Gradations are 1% RH and 2° Fahrenheit. The calibration and certification are done under ISO-9001 control.
Solid brass case
Gleaming finish
Overall diameter 6"
Dial 5"
Case drilled for wall mounting
Black dial with white numbers and letters
Manufactured and tested under ISO-9001
Plastic lens available upon request
Accuracy ±3% + 1 scale division RH (20-80%) and ± 1% of scale on the temperature
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